Ocean Power Technologies (NASDAQ: OPTT) dipped 9.93% to $3.72 in pre-market trading. Ocean Power shares have jumped 117.37% over the past 52 weeks, while the S&P 500 index has gained 20.12% in the same period.

Oracle (NYSE: ORCL) dipped 2.81% to $37.75 in the pre-market session after the company reported weaker-than-expected fiscal third-quarter earnings. Oracle's quarterly profit surged to $2.57 billion, or $0.56 per share, versus a year-ago profit of $2.5 billion, or $0.52 per share. Its revenue jumped to $9.31 billion versus $8.96 billion. Its adjusted profit came in at $0.68 per share.